City vs city
Chalmette vs New Orleans, LA
New Orleans currently scores 10 points higher overall than Chalmette, with the largest gap in hail.
Use this comparison for relocation decisions, insurance shopping, and hazard-prioritized mitigation planning.
Hazard breakdown
Scores describe each city’s reference grid tile, not every property. A missing model is unavailable, not zero risk. Air quality uses an ingested EPA AirNow snapshot and may not reflect current conditions; other factors describe baseline exposure. The overall score blends different hazards and is not a probability of damage. Read the scoring methodology and sources.
Overall
Chalmette: 51/100 · New Orleans: 61/100
New Orleans is 10 points higher.
Flood
Chalmette: 40/100 · New Orleans: 25/100
Chalmette is 15 points higher.
Chalmette: FEMA NFHL flood zones: 21 features intersect this tile.
New Orleans: FEMA NFHL flood zones: 21 features intersect this tile.
Wind
Chalmette: 51/100 · New Orleans: 49/100
Chalmette is 2 points higher.
Chalmette: Wind exposure derived from ingested design wind / climatology tiles.
New Orleans: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Chalmette: 92/100 · New Orleans: 92/100
No gap.
Chalmette: Lightning exposure derived from ingested climatology tiles.
New Orleans: Lightning exposure derived from ingested climatology tiles.
Tornado
Chalmette: 27/100 · New Orleans: 65/100
New Orleans is 38 points higher.
Chalmette: Tornado risk derived from NOAA SPC historical reports.
New Orleans: Tornado risk derived from NOAA SPC historical reports.
Hail
Chalmette: 46/100 · New Orleans: 100/100
New Orleans is 54 points higher.
Chalmette: Hail risk derived from NOAA SPC historical reports.
New Orleans: Hail risk derived from NOAA SPC historical reports.
Storm surge
Chalmette: 99/100 · New Orleans: 99/100
No gap.
Chalmette: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
New Orleans: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
Wildfire
Chalmette: 38/100 · New Orleans: 31/100
Chalmette is 7 points higher.
Chalmette: Wildfire exposure derived from ingested fire potential tiles.
New Orleans: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Chalmette: 16/100 · New Orleans: 26/100
New Orleans is 10 points higher.
Chalmette: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
New Orleans: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.